260145720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 192

約数和(自身を含む): 903895200

約数和(自身を除く): 643749480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 73, 76, 90, 95, 114, 120, 146, 152, 171, 180, 190, 219, 228, 285, 292, 342, 360, 365, 380, 438, 456, 521, 570, 584, 657, 684, 730, 760, 855, 876, 1042, 1095, 1140, 1314, 1368, 1387, 1460, 1563, 1710, 1752, 2084, 2190, 2280, 2605, 2628, 2774, 2920, 3126, 3285, 3420, 4161, 4168, 4380, 4689, 5210, 5256, 5548, 6252, 6570, 6840, 6935, 7815, 8322, 8760, 9378, 9899, 10420, 11096, 12483, 12504, 13140, 13870, 15630, 16644, 18756, 19798, 20805, 20840, 23445, 24966, 26280, 27740, 29697, 31260, 33288, 37512, 38033, 39596, 41610, 46890, 49495, 49932, 55480, 59394, 62415, 62520, 76066, 79192, 83220, 89091, 93780, 98990, 99864, 114099, 118788, 124830, 148485, 152132, 166440, 178182, 187560, 190165, 197980, 228198, 237576, 249660, 296970, 304264, 342297, 356364, 380330, 395960, 445455, 456396, 499320, 570495, 593940, 684594, 712728, 722627, 760660, 890910, 912792, 1140990, 1187880, 1369188, 1445254, 1521320, 1711485, 1781820, 2167881, 2281980, 2738376, 2890508, 3422970, 3563640, 3613135, 4335762, 4563960, 5781016, 6503643, 6845940, 7226270, 8671524, 10839405, 13007286, 13691880, 14452540, 17343048, 21678810, 26014572, 28905080, 32518215, 43357620, 52029144, 65036430, 86715240, 130072860, 260145720]

約数ペア:

[(1, 260145720), (2, 130072860), (3, 86715240), (4, 65036430), (5, 52029144), (6, 43357620), (8, 32518215), (9, 28905080), (10, 26014572), (12, 21678810), (15, 17343048), (18, 14452540), (19, 13691880), (20, 13007286), (24, 10839405), (30, 8671524), (36, 7226270), (38, 6845940), (40, 6503643), (45, 5781016), (57, 4563960), (60, 4335762), (72, 3613135), (73, 3563640), (76, 3422970), (90, 2890508), (95, 2738376), (114, 2281980), (120, 2167881), (146, 1781820), (152, 1711485), (171, 1521320), (180, 1445254), (190, 1369188), (219, 1187880), (228, 1140990), (285, 912792), (292, 890910), (342, 760660), (360, 722627), (365, 712728), (380, 684594), (438, 593940), (456, 570495), (521, 499320), (570, 456396), (584, 445455), (657, 395960), (684, 380330), (730, 356364), (760, 342297), (855, 304264), (876, 296970), (1042, 249660), (1095, 237576), (1140, 228198), (1314, 197980), (1368, 190165), (1387, 187560), (1460, 178182), (1563, 166440), (1710, 152132), (1752, 148485), (2084, 124830), (2190, 118788), (2280, 114099), (2605, 99864), (2628, 98990), (2774, 93780), (2920, 89091), (3126, 83220), (3285, 79192), (3420, 76066), (4161, 62520), (4168, 62415), (4380, 59394), (4689, 55480), (5210, 49932), (5256, 49495), (5548, 46890), (6252, 41610), (6570, 39596), (6840, 38033), (6935, 37512), (7815, 33288), (8322, 31260), (8760, 29697), (9378, 27740), (9899, 26280), (10420, 24966), (11096, 23445), (12483, 20840), (12504, 20805), (13140, 19798), (13870, 18756), (15630, 16644)]